[PATCH] D42898: Do not spill CSR to stack on entry to noreturn functions

[pmb via Phabricator via llvm-commits]

myeisha added a comment.

In https://reviews.llvm.org/D42898#998371, @thegameg wrote:

> I do agree that if this breaks stack traces it should be under some flag or something.


We could also tie it into frame pointer elimination and skip CSR saves only when fp elimination is active, maybe add a per-target option to skip anyway if the target has special handling for fp/lr.


https://reviews.llvm.org/D42898